Projecting apparatus for moving pictures



oct. 26,1926. f 1,604,853

1 C. F'. RUTLEDG PROJEGV'IING APPARATUS FOR MOVING PICTURES C. F. RUTLEDGE RATUs FOR MOVING PICTURES PROJECTING AFPA Filed Nov,

7 Sheets-Sheet 2 A TTORNEY.

oct. 26 1926. 1,604.85 3

c. F. RUTLEDGE PROJECTING APPARATUS FOR MOVING PICTURES Filed Nov. 5o, 1923 v sheets-sheet 5y Oct. 26 1926.

y c. F. RUTLEDGE -PROJECTNG APPRATUS FOR MOVING PICTURES' File@ Nov. 50, 1923 '7 Sheets-Sheet'l INVENTOR.

lll/flu ATTORNEY.

Oct. 2'6 1926. 1,604,853

C.. F. RUTLEDGE PROJECTING APPARATUS FOR MOVING PICTURES Filed Nov. so, 1923 fr sheetssheetV 5 ATTORNEY.

l UharLeSEItutJeQINI/ENTOR.

Oct. 26 1926.

Filed Nov. so, 1925 heats-Sheet 6 4 7 M .Z /V o 0 m e? d w MMM 2 Z a 6 9/ 13 x M M Z N/ j ,y 5 n f 7 6 Z n ,75 Ha 7 5 7 Z Z Z Z 3 A 6 4f INVENTOR.

lToRNEY,

C. F. RUTLEDGE PROJECTING APPARATUS FOR MOVING PICTURES Oct. 26 1926.

Filed Nov. 50, 1923 '7 Sheets-Sheet '7 Jai a f A TTORNE Y.

BY (JI/4M-,

Patented Oct. 26, 1926.

Tseran CHARLES F. RUTLEDGE, F HARTFORD CITY, INDIANA.

PRQJECTI'NG APPARATUS FOR MOVING PICTURES.

Application led November 30, 1923. Serial' No. 677,697.

The invention relates to a projecting apparatus, primarily having its elements designed for use in connection with the projeeting of moving pictures, but it is to be understood that the apparatus or any of the elements thereof, can be employed for any purposes wherein it is found applicable, and the invention has for one ofits objects to provide an apparatus of such class, in a manner as hereinafter 'set forth, with means to set up an adjustable'lamp house capable of being adjust-ably and quickly positioned to successively cooperate with a plurality of projecting mechanisms to provide for the continuous showing of a picture, regardless of the number of reels of the same, and which furthermore provides for the projecting` of the picture from a reel in one of the projecting mechanisms, while another reel is being threaded and positioned for use within another projecting mechanism, whereby the continuity of the picture is attained without a lapse between the positioning and threading of the subsequent iilm from which the picture is projected.

A further Object -of the invention is to provide an apparatus of the class referred to, in a manner as hereinafter set forth, with means providing a lamp house having the vertical walls thereof set up in spaced relation with respect to each other, to provide air passages for the circulation of air through the lamp house, during the operation of the lamp, under such conditions materially decreasing the temperature of the periphery of the lamp house and tending to reduce, to a minimum, radiation of heat therefrom, and which enables the shifting or positioning of the lamp house without in- 4 convenience to the operator.

A further object of the invention is to provide an apparatus of' such class, in a manner as hereinafter set forth, with a lamp house with means for adjustably supporting the lamp and reflector within the housing. of the lamp house.

A further object of the invention is to provide an apparatus of such class, in a manner as hereinafter set forth, with an adjustable lamp house, having means, when the lamp house is adjusted, for closing a winding circuit to operate a motorto wind the reel during the projection of the picture.

A further object, of the invention is to provide an apparatus of such class, ina manner as hereinafter set forth, with a lamp house having a swinging support therefor and further having means whereby the lamp house is pivotally connected to said support and further with means for adju'stably positioning the lamp house with respect to the swinging support.

A further object of the` invention is to provide an apparatus of such class, in a manner as hereinafter set forth, with an adjustable lamp house and further with a pair of adjustable projecting mechanisms, and further with means whereby the lamp house can be adjustably positioned with respect to either one of said mechanisms.

A furtherobject of the' invention is to provide an apparatus of such class, in a manner as hereinafter set forth, with an adjustable lamp house cooperating alternately with a pair of projecting mechanisms and further with means whereby the lamp house can be detachably secured in operative position with respect to either of said mechanisms.

A further object ofthe invention is to provide an apparatus of such class, in a manner as hereinafter set forth, including a pair of projecting mechanisms and a stereopticon element and further including an adjustable lamp house capable of being shifted to operative relation with respect to either of said mechanisms or with respect to said element and to further includeA means 'whereby said lamp house is detachably secured in position when shifted to cooperate with either one of said mechanisms or with said element.

A further object of the invention is to provide an apparatus of such class, in a manner as hereinafter set forth, with a'pair of adjustable projecting mechanisms, andv further having each of said mechanisms provided with means, in a manner as hereinafter set forth, to cause the proper threading of the film when extended through said mechanisms for` the purpose of projecting the picture.

A further object of theinvention is'to pro'- vide an apparatus of such class, in a manner as hereinafter set forth, with a pair of projecting mechanisms, and each including gear shifts for the film, and further having` means to prevent the film from completely winding around or buckling with respect to the gear shifts or sprockets during the passage of the film through the said mechanism.

A further object of the invention is to provide an apparatus of such class, in a manner as hereinafter set forth, with means to constitute a projecting mechanism provided with gear shifts or sprockets for the film, and further provided with means for lubricating the gear shifts or sprocket shafts to facilitate the Yoperation thereof.

Further objects of the invention are to provide a projecting apparatus of the class referred to and which is comparatively simple in its construction and arrangement, strong, durable, efficient and convenient in its use, readily assembled, and comparatively inexpensive to operate and set up.

lith the foregoing and other objects in view, the invention consists of the novel construction, combination and arrangement of parts, as hereinafter more specifically described and illustrated in the accompanying drawings, wherein is shown an embodiment of the invention, but it is to be understood that changes, variations and modifications can be resorted to which fall within the scope of the claims hereunto appended.

In the drawings wherein like reference characters denote corresponding parts throughout the several views Figure 1 is aA side elevation of a projecting apparatus in accordance with this invention. Y

Figure 2 is a top plan view, of the apparatus.Y

Figure 3 is a top plan view of the apparatus and further illustrating in dotted and full lines the lamp house in adjusted positions and also the mechanism heads,

Figure 4t is a section on line 4-4, Figure 1.

Figure 5 is a section on line 5-5. Figure 4.

Figure 6 is a side elevation, with the cover plate removed, of one of the projecting mechanisms.

Figure 7 is a sectional elevation of one of the projecting mechanisms showing the adaptation therewith of the lamp house.

Figure Sis a vertical sectional view of the lamp house.

Figure 9 is a. section on line 9-9, Figure 8.

Figure 10 is a section on line 10-10, Figure 8.

Figure 11 is an inverted plan of the removable cover of the lamp house.

Figure 12 is a perspective view of the lamp or reector clamp.

FigureI 13 is a side elevation and Figure 14C a sectional elevation of the shutter opening and retaining device.

Figure 15 is a sectional detail of the shutter opening and retaining device.

Figure 16 is a perspective view, broken away, of the shifting arm for a film framing device.

Figure 16a is a perspective view of the film framing device.

Figure 17 is a perspective view of one of the film tension guides.

Figure 18 is a perspective view of the aperture assembly plate.

Figure 19 is a fragmentarv view, in. section, of the operating means for a film driving sprocket,ron line 19--19, Figure 6.

Figure 2() is a `front elevation, broken away, of the compartment support.

Figure 21 is a fragmentary view, in plan, partly in section, of the circuits controlling device.

V Figure 22 is a sectional detail illustrating the removal support for a Geneva wheel and a ratchet element for shifting the film.

Figure 23 is a perspective view of the removal support shown in Figure 22.

Figure 24 is a view looking towards the inner end of the removal support shown in Figure 23.

A projecting apparatus in accordance with this invention comprises a compartment support or stand, a pair of adjustable projecting mechanisms, an upper film box or holder mounted on each of said mechanisms, an adjustable lamp house common to said projecting mechanisms, an independent driving mechanism for each projecting mechanism, an independent operating means for each driving mechanism, a circuit controlling device common to said independent operating means for said driving mechanism, a carrier for the lamp house, a releasable locking means for the lamp house and carrier and a stereopticon element associated with the lamp house.

The compartment support or stand includes a top plate 1, having secured therewith a `depending frame 2 at the rear thereof and secured to the inner face of the frame 2 is a rear plate 3. The plates 1 and3, and frame 2 may be an integral construction. Secured to the plate 1, by the hold-tast devices 4, and flush with each side edge of the plate 1, is a receptacle, and the said receptacles are indicated at 5, 6, and each has its outer side open. as at 7, and closed through the medium of a hinged door 9, provided with a locking knob 10. The plate 1, projects rearwardly from the rear of the receptacles 5 and 6, and these latter are spaced from each other and maintained in spaced relation bv a bracing element 11, which is interposed between the receptacles 5, 6 and secured to the plate 1 by hold-fast devices 12'. The receptacle 5 provides a compartment 13 for a film winding reel 14, and the receptacle (i provides a compartment 15 for a film winding' ree-l 16.

Secured within the compartment 13 is a combined support and bearing 17 for a reel driving shaft 18, and secured within the compartment 15 is a combined support and bearing 19 for a reel driving shaft 20. The reel 14 is fixed to the shaft 18 so as to be. carried therewith, and said reel 14 is secured on thc shaft 18 by a retaining device 21. The shaft 2O is connected to the reel 16 so the latter will be operated therewith and a retaining means for the reel 16 is indicated at 22.

The` shafts 18 and 2O are oppositely disposed with respect to each other and said shaft 18 extends through the rear wall of the receptacle 5 and into the compartment 13 and the said shaft 2O extends through the rear wall of the receptacle 6 and into the compartment 15. The reel 14, as well as the reel 16, is removably mounted on its respective shaft, so that after the film 24 has heen wound thereon, the reel can be removed from its respective compartment and an empty reel positioned on the shaft.

The inner end of the shaft 18, as well as the inner end of the shaft 20, that is to say, the end of each shaft which is arranged between the receptacles 5 and 6,y has loosely mounted thereon a grooved driving pulley 25, against one face of which bears a coiled spring 26, having its tension adjusted hy an adjustable collar 27, mounted on the shaft 18 and provided with a removable securing means 28 to retain the collar in its adjusted position. The pulley 25, on the shaft`18, is driven by an endless belt 28, and the belt for -driving the pulley on the shaft 20 is indicated at 29. The other face of the pulley 25 has a leather disk 25 connected thereto, and which frictionally engages with a leather disk 26 secured to one face of a disk 27 of rigid material, which is fixed. to and rotates with the shaft 18. The leather disks 25', 26 provide means for coupling the Adisk27 with the pulley 25 for driving the shaft 18 and further provide for slipping as the film increases on the reel. The plate 1 is formed with a slot 30 to provide a clearance for the Vbelt 28, and the plate 1 is also provided with a slot 31 to provide a clearance for the belt 29. The belts 28 and 29 extend down tlirough the plate 1, and above the said plate 1 the belt-s 28 and 29 are connected to a suitable driving means therefor, to be hereinafter referred to. The plate 1 and top of the receptacles 5 and 6 are slotted to provide passages for the film 24 as it winds on'a reel within a compartment, and each of said slots is indicated at 32.

Mounted on the front end of the plate 1, is a pair of motors 33, 34, eachof which is independently operated and each of which associates with a projecting mechanism. The shaft of the motor 33 is indicated at 35 and is provided with a grooved pulley 36,

and the shaft of the motor 34 is indicated at 37 and is provided with a grooved pulley 38. The pulley 36 drives a transmission belt 39, and the pulley 38 drives a transmission belt 40. Circuit controlling connections or devices are provided so that the motors will alternately operate, or to provide for the discontinuance of the operation of both moto s simultaneously.l The said circuit controlling devices not only control. the operation of the motors, but also include means for opening and closing the lamp circuit in the lamp house and whereby the lamp circuit is maintained closed during the alternate operation of the motors. The pla-te 3 is provided, with sockets 41, 42, the former is adapted to be connected by a plug43 with wires 44 leading to the lamp in the lamp house. The socket 42 is provided for the purpose of connection with a source of electrical energy. A switch for controlling the lamp circuit is indicated at 45, and a switch for controlling the motor circuit is indicated at 46. A rheostat 47 is carried by the plate 3, and leading therefrom to terminals 48, 49, are circuit conductors 50, 51, respectively. Sockets 41 and 42 are in circuit through the medium of the conductor 52. Leading from the terminal 48 to the switch 46, is a circuit conductor 53, and leading from the switch 45 to the socket 42 is a circuit conductor 55. Leading from the switch 46 to the plug 42, is a circuit conductor 54, and leading from the switch 45 to the plug 41 is a circuit conductor 56. v

Secured to the plate 3, is a support 57 of insulation, which is provided with a slot 58, registering with the slot. 59, formed in the plate 3, and the latter has projecting forwardly therefrom a pair of superposed lugs 60, 61, through which entends a vertically disposed bolt 62 which provides a pivot having'mounted thereon a bifurcated arm 63, which extends through the slots 58 and 59 and carries av contact strip 64. The arm 63 is adapted to be shifted by the carrier to be hereinafter referred to for the purpose of moving the Contact strip 64 into alternate engagement with contacts 65, 66, carried by the support 57 and oppositely disposed with respect to each other. The arm 63 is provided with a terminal 67, to which is connected a circuit conductor 68, leading from the terminal 49. Leading from the plug 42 to the motors 33 and 34, is a circuit conductor 69. Leading from the contact 65 to the motor 33 is a circuit conductor 70, and leading from the contact 66 to the motor V34 is a circuit conductor 71.

lhen the contact strip 64 is in engagement with the contact 65, the circuit for the motor 34 is closed, and when the contact strip 64 is in engagement with the contact. 66 the circuit for vthe motor 33 is closed. `The contact strip 64, which provides what lso rie

Ci t

may be termed a circuit opening and closing member, does not have any effect on the circuit tor the lamp in the lamp house, or in other words the lamp circuit is closed irrespective of the opening and closing ot each ot the motor circuits and will always remain closed as long as the switch 45 is in engagement with the socket 41, and with the socl'ict 42 connected with the source ot' electrical that is to say,r after the switch 45 ed tor the purpose ot closing the lamp circuit.

The receptacle 5, as well as the receptacle 6, at the lront antL rear thereof, is formed Awith a pair of laterally extending brackets 72, 73, the latter being of greater length than the former, and connected to each pair ot brackets is an upwardly extending inclined supporting standard 74.

The motor 33, as well as the motor 84, is mounted upon a supporting plate 7 5, which is connected, as at 76 to a main mechanism head. Belt adjusting means are indicated at 7 6.

The lugs 69 and 61 are disposed centrally with respect to the compartment support, as well projecting rearwardly therefrom, and provide means in connection vith the bolt 92 t'or pivotally connecting a swinging lamp house carrier with the compartment support, and said carrier consists ot an upper arm 77, a lower arm 78, and vertical armsy 79 and 89. which are i'ormed integral with the arms 77, 78, inwardly with respect to the ends of the said arms 77, 78. The arm 89 has secured therewith, through the medium ot the hold-fast device 81, a flanged angle-shaped shitting member for the arm The shitting member 82 is tixedly secured to the arm 89 and overlaps the outer cnd of thel arm 63, so that when the carrier is shifted in either direction, the member 82 will engage the arm 63 and shift it so that the contact strip 64 will engage a contact 65, 6G. It the carrier is shifted to the right, the contact strip G4 will engage the contacts 66, or it the carrier is shifted to the lett the strip 64 will engage the strip (35. When the strip 64 is in engagement with the Contact (i9, the motor 33 will be operated, and when the strip 64 is in engagement with the contact 65. the motor 84 will be operated. then the strip G4 is in the position shown in Figure 21, it will be clear of the contacts G5 and 66, under such conditions both inotor circuits will be open. Extending through the ends ot the arms 7 7, 78, opposite the ends through which extend the bolts 62, is a vertica'lly disposed bolt 83 which is employed ytor connecting the carrier to the lamp house, referred to generally bv the reference character 84.

The lamp house 84 is in the torni of a rectangular receptacle, and includes a rectangular bottom plate 85, formed throughout with a vertical flange 8G and further provided with a lengthwise extending enlarged ovalsha-ped `slot 87. The lamp house 84 further includes two pairs of side walls, and with the walls ot one pair indicated at 87, 88, and the walls ot the other pair at 89, 99. The lamp house 84 also includes two pairs ot end walls and with the end wall ot' one pair indicated at 91, 92, and the end walls ot' the other pairL at 93, 94. rEhe end walls 91, 92, are 'formed integral with the side walls 87, 88, 89 and 99. The side walls 87 and 99 are provided with inwardly extending vflanges 95, to which the end wall 94 is secured by the hold-f` t devices 9G. The side walls 88 and 99 are Jiormcd with inwardly extending flanges 97, to which the end wall 93 is secured bv the hold-tast devices 98. rthe end wall 94 is ot' less height than the end wall 98. `interposed between the side walls 87, 88 and between the side walls 89 and 99, as well as between the end walls 98, 94, are f cing` collars 99, positioned near the upper ends ot said walls, and extending through the collars 99 as well as through the said walls are hold-tast devices 199, Arranged between the end walls 91, 92, at the lower end thereof, and also between the side walls 87, 88, and also between the end walls 89 and 99, at the lower ends thcreotI are spacing collars 191, which are Secured in position by lroltliast devices 192, which not only extend between the said side and end walls, but also through the flange 8G ot the bottom 85. rEhe entl wall 98 extends below the bottom and the said end wall 98, at its lower portion is provided with a pair of superpcscd lugs 193, 194, the :former is positioned on the top bar 77 ot the carrier, and the latter is arranged on the lower bar 78 of the carrier. The bolt 88 extends upwardly through the lug 194 and into the lug 193, and provides means 'for connecting the lamp house to the carrier.

The end v"all 93 is provided with a circular light opening 195 and is also provided yith a circular collar 196 which projects outwardly therefrom and forms a continuation ot' the opening` 195B The end wall 94 is formed with a circular opening 197, which registers with the collar 196. The length of the collar 196 is such as to abut against the inner face of the end wall 94.

The removable cover of they lamp house consists of an outer section 198, an intermediate section 199, and an inner section 119. The intermediate section 199 is rectangular in contour but is of less width and of less length than the width and length o the inner section 119. The outer section 198 includes a flat body portion formed with a depending fiange or rim 111, which when the cover is mounted in position overlaps the walls 87, 89, 91 and 94. The body portion of the outer section 198 is of greater length and of greater width than the sections 109, 110, but the section 109 is of less width than the width of the inner' section 110. When the cover is mounted in position, the inner section 110 is seated on the top edges of the walls 88, 93, 90 and 92. Interposed between the sections 108 and 109 arespacing collars 112, and interposed between the sections 109 and 110 are spacing collars 113. Extending through the sections 108, 109 and 110 and also through the spacing collars 112 and 113, are hold-fast devices 115. The collars 112 are arranged in alignment with the collars 113.

The side walls 87 and 88 form a vertical air passage 116, the side walls 89 and 90 form a vertical air passage 117, the end walls 91 and 92 form a vertical air passage 118, and the end walls 93 and 94 form a vertical air passage 119. The air passages 116, 117, 118 and 119 are open at their lower ends and communicate with the air passages 120,

121, 122 and 123, formed by the sections of ,Y

the cover.

The section 110 of the coverI is provided with a lengthwise extending slot 124, which forms an outlet for the lamp chamber 125. The bony portion of the section 108 is formed with a lengthwise extending slot 126 which constitutes an outlet for the top of the lamp house.

The air passages are provided for the passage of cool air, which enters at the bottom of the lamp house and passes out of the top thereof, and the circulation of air through the passages is caused by the heat from the lamp which creates a draft providing thereby for 'the circulation of air through the lamp house in the manner as stated, for cooling purposes and which enables the lampi-house to be handled when desired.

Arranged within the chamber 125 is a lamp 12? and a reflector 128. rilhe lamp 127 is provided with a stem 129 for the passage of the circuit connections 44, and the reflector 128 is provided with a stem 130. The lamp 127 as well as the reflector 128 is vertically and angularly adjustable, and provision is made for such adjustment through the medium of an adjustable clamp for connecting the stem 129 or the stem 13 to the bottom plate 85 of the lamp house. As the construction of `each of the adjustable clam 'is is the same, but one. will be described as the description of one will apply tothe other. Each of said clamps comprises a pair of clamping members .131 and 132, which are oppositely disposed with respect to each other and which are mounted one above and one below the bottom plate 85. The member 131 has a depending lug 133 which extends through a recess 134, formed in one side edge of the member 132. j The member 131 is fixed to a peripherally threaded sleeve and is carried at the upper en-d of said sleeve and the latter is indicated at 135. The member 132 is loosely mounted on the sleeve 135. The sleeve 135 extends through the slot 87 and carries an adjusting nut or collar 136 which has threaded engagement withV the sleeve 135, and when moved upwardly on the sleeve 135 shifts the member 132 towards the bottom plate 85 so as to bring the members 131, 132, in clamping engagement with the bottom` 85 and retain said members in the position to which they have been shifted. The members 131, 132 can be shifted to a position at an angle with respect to the slot 87 lfor the purpose of positioning the stem of the lamp, or the stem of the reiector in a manner to .hold the reilectoror the lamp at an inclination with respect to each other. The stem 129 or the stem 130 is vertically adjustable through the sleeve 135, and is maintained in adjusted position by a collar at 136, which is mounted von the sleeve 135 and which is provided with a set screw 137, whichv is adapted to extend through the collar 136 and also through the sleeve135 and bind against the stem 129 or 130 thereby securing the same in its adjusted position.

lNhen the lamp 127 is set up, it is positioned within the chamber 125 in proximity to the opening 105, and also forwardly with respect tothe reflector 128. The reflector 128 is adjustably connected to the upper end of the stem 130, as at 138, to permit of the angular adjustment of the reiiector 128 on the stem 130 when occasion so requires.

The end wall 94 in proximity to its upper end is formed withA an outwardlyV extending bracket 139 carrying a spring controlled latch 140, and the function of which will be presently referred to.

Adjustably connected upon the compartment support, is a pair of projecting mechanisms, and as 'each of these mechanisms is of the same construction, with the exception that one is right hand and the other left hand, but one will be described, as the description of one will apply to the other. For each projection mechanism, a pair of adjustable securing devices is provided and which are indicated at 141, 142, and which are carried by the plate 1, and extend through slot-s 143, provided in the bottom of the casing of each projecting mechanism, andby this arrangement the mechanismscan be angularly adjusted with respect to the compartment support, as indicated in dotted lines in Figure 3. y

Each of the projecting mechanisms includes a receptacle comprising a top wall 144, a rear wall 145, a front wall 146, a bottom 147, a side wall 148, a side wall 149, and a partition 150. Theside wall 148 is in the form of a door, hinged as at 151 to the end wall 146, and said door is set up in the form of a frame provided with a transparent panel 152. locking knob 153 is provided for the door which constitutes the side wall 148. The end walls 145, 146, in connection with the top Wall 144, bottom 147 and partition 150, forms ay chamber 153 for the projection Aelements and the partition 150, in connection with the top wall 144, bottom 147 `and side wall 149 forms `a. ycompartment 154, in which is arranged the operating means for Idriving the film shifting sprockets. is detachably secured in position by the holdfast devices 155.

The partition 150 has one side thereof formed with a continuous flange 156 which is arranged within the compartment 154, and which forms, in 'connection with the closure 157, a chamber 158, in which is arranged the operating means for the lilni driving sprockets 'and which also yconstitutes a lubricant chamber so that the said means will operate in the lubricant. The flange 156, at its to-p, has formed integral therewith, an extension 159, which provides a supply opening 160 for the purpose of supplying a lubricant to the chamber 158. The extension 159 is formed integral with the top wall 144 and the opening therethrough has its wall threaded for the purpose of ra closure plug 161 engaging with said wall whereby the plug is secu-red in position. The flange 156 is formed with lateral offsets 162, forming threaded sockets, for the reception of the hold-fast devices 163 which detachably secure the yclosure plate 157 in position.

The partition 150 is formed with an opening 164, and projecting from one side of the partition 150 into the compartment 153, is a sleeve 165 which registers with the opening i164 'and formed integral with the partition 150 and extending into the chamber 158, as well as registering with the opening 164, is a collar 166 provided with a lubricant supply port 167. Secured yto the free end of the sleeve 165 is a bearing 168, for a sprocket driving shaft 169, formed with a bore 170, which communicates with a port 171, so that when a lubricant is supplied to the port 167 and to the sleeve 164, it will be conducted by the port 171 into 'the bore 170 and 'the latter has suitable openings to provide for the lubrication of the shaft in a bearing 172, which is in integral part of the closure plate 157. rl`he bearing 172 is arranged in alignment with the collar 166 and fixedly secured to the lshaft 169, between the collar 166 and bearing 172, is a worm gear 173. Fixedly secured to the shaft 169' wit-hin the chamber or compartment- 153, is a Vsprocket clement consisting of a sleeve 174, provided at each end with a sprocket wheel 175, and with -ft'he teeth of each of said wheels lindicated at 176 land which are adapted to engage in the marginal perfor-ations 177 of the rThe side wall 149 film 24 for the purpose of feeding the lm during the operation of the apparatus.

Formed integral with the flange 156, is an enlargement 17 8, which provides a bearing socket opening into the chamber 158. The flange 156, opposite the enlargement 178 has formed integral therewith a sleeve 179 which opens into the chamber 158, as well as projecting outwardly from the flange 156. The opening formed by the sleeve 179, registers with an opening 180, formed in the end wall 145 of the receptacle of the projection mechanism. The sleeve 179 provides a bearing for a transmission shaft 181 and the latter has one end mounted in the enlargement 17 8 and its other end extended through the opening 180 in the wall 145. The shaft 181 has fixed thereto a series 'of worm pinions E182, 183 and 184. The pinion 183 meshes with the worm gear 173, for the 'purpose of driving it, causing thereby the operation of the sprocket wheels 175.

J ournal'ed in the chamber 158, is a pair of shafts 185 and 186, and said shafts 185, 186, are arranged one at each side with respect to the vshaft 169. Fixed to the shaft 185, is a worm gear 187 which meshes with and drives the pinion 182, and fixed to the shaft 186 is a worm gear 188 which meshes with and' is driven from the pinion 184. The shaft 186 is extended from the side wall 149 and carries a 'groove pulley 189 for driving the beltl 28 or they belt 29. The partition 15() near its lower portion is formed with an opening 150 lfan-d into which extends a removable. sectional support, see Figs. 4, 22, 23, and 24. The said removable support is constructed of two sections, one of which is circular and the other yoke-shaped. The circular section is formed of three different diameters, that portion of larger 4diameter is indicated at 190, and the portions of other diameters vat 314, 315. The portion 190 is interposed between the portions 314 and 31.5.

The portion 314 is ofI greater diameter than the portion 315 and the latter extends into and is of a diameter to snugly fit the wall of the opening 150. The portion 314 is out away at its edge, at :a plurality of points, to-form grooves 316, which aline with opcnings 317 formed in the portion 190. The openings 317 are provided for the passage of screws 318, to detachably secure the circular section of the removable support to the partition 150. The grooves 316 provide clearances for the screws 318.

The circular section of the removable support is provided with an upper and a lower opening 319, 320, respectively, and with the former of materially greater diameter than the latter. The purpose of the openings 319, 320 will presently be referred to.

The yoke-shaped lsection is disposed at an inclination with respect to the circular section of the support and projects-outwardly with respect to said circular section. F urthermore the yoke-shaped section is suspended from said circular section. rlhe yokeshaped section comprises a base 195, of "J- shape in cross section and Which has formed integral therewith, at the ends thereof, a pair of upstanding arms 321,V 322 which are V-shaped in contour. Each of said arms has a roundedupper end. The arm 321. is

provided near its top With an opening 323 and the arm 322 is also `provided With an opening 324 near its top, but the opening is of greater diameter Athan the opening 323. r1`he top edge of the arm 322 is cut away to form a shoulder 325 and a leg 326.

r1`he arm 322 is connected to thecircular section of the removable support by an angle-shaped member 327 and a screw 323. The member 327 seats on the. shoulder 325 and against the leg 326 and further seatson the portion 314 of the circular section of the removable support. rlhe screw 323 engages in the portions 190 and 314 of the circular section of the removable support.

lvfounted in the opening 323, of the arm 321 and extending inwardly therefrom is ra bearing sleeve 329, which is fixedly secured in position by aV set screw 330 mounted in the upper end of the arm, 321.

Mounted in the opening 319 is a projection Which extends from the upper portion of the larm 322. The arm 322 fits up against the surface of the portion 314 of the circular section of the removable support. The arm 322 and the projection extending therefrom are provided with an eccentric opening 324, provided for the purpose of holding the intermittent sprocket and shaft at right angles at any adjustment Withthe film and other parte of the mechanism. Positioned Within the opening 324 and projecting beyond the arm 322 towards the arm 323, is a sleeve 331, which is spaced from the sleeve 329.

Extending through the sleeves 329v and 331 is a shaft having an intermediate por tion of greater diameter, atr 332, and which is disposed at one side of the center of the shaft and has mounted thereon the major portion` of the sleeve 33 The end portions of reduced diameter of the shaft are indicated at 333,334, and the former is of greater length than the latter. The end portion333 has the sleeve 329 mounted thereon, and the saidl end portion 333 projects inwardly from the sleeve 329. Mounted on the end portion 334, Within the sleeve 33 and abutting against the intermediate portion 332, is the hub 335 of a Geneva Star 196. The hub 335 is keyed to the portion 334` as at 336. l

Keyed to the end portion 333 of the shaft, as at 337, is a sprocket element consisting of a sleeve 192 provided at each end With a sprocket wheel 193, the teeth of Which are indicated at 194 and are adapted to engage in the perforations 177 of the hlm 24 for intermittently fitting the latter. The Wheels 193 overlap the sleeves 329 and 331.

Mounted in the opening 320 of the circular section of the support is a sleeve 201 into which extends one end of an operating shaft 200.

The Geneva Star vvheel`190 is engaged and intermittently operated by a pin 197 carried by a dislr 193 formed With a split flange 199. The disk 198 is secured to the shaft 200, and theother end of the said shaft 200 extends through a bearing sleeve 320 formeel integral with the closure plate 157 and VWhich furthermore extends through the side Wall 149 and carries a grooved pulley 203, operated by a transmission belt 39, or 40. The end Wall 145 of the receptacle of the projecting mechanism is provided with a light inlet opening 204, and the front vvall With a light projecting opening 205, and through which the picture is projected. The opening 204, is arranged at the rear of the chamber 153 and the opening` 205 at the front of the chamber 153, and the said openings are arranged in alignment, but the opening 205 is of greater area than the opening 204. rlhe opening 204 is normally closed by a shutter 205, which is Ishifted to `open position during the operation of the mechanism.` rlhe opening 205 rhas cooperating therewith ashutter 207 which is continuously operated during the operation of the mechanism to provide for the intermittent closing of the opening 205. The shutter 200 is carried by a crank shaft 208, mounted in lugs 209, and said crank .shaft 203 is connected to a combined shifting and holding rod 210, which is pivotally connected, as at 211, to a friction clutch 212, which is mounted loose on the shaft 200 and which includes a flanged casing having arranged therein a series of pivotally mounted fric-tional clutching members 213 which are carried by the pulley203, and the arrangement is such that during the operation of the pulley 203, the rod 210 will be actuated to open the shutter 206, or rather to shift the shutter to open position, and the clutching members 213 engaging With the casing 212 will retain the rod 210 in shifted position until the operation of the pulley 203 is discontinued when the .shutter will fall by gravity.

The shutter 207 is in the form of a flat blade gradually decreasing in Width from each. end towards its center and is constantly revolved during the operation of the mechanism so that the opening 205 will be intermittently closed by alternate ends of theV shutter 207. The shaft 131, as before stated, is extended from the end Wall 146, and said extended end is grooved, as at 214, The shutter 207 is formed with a hub 215, which is `adjustably mounted on the extended end of the shaft 181 and which is secured in ad-j.

j usted position by .a .screw 216 which extend-'s through the hub 215 and engages in the groove 214.

The shaft 200 is provided with a worin pinion 217 which engages with and drives the worm gear 187.

The shaft 185, as well as the shaft 186, and also the shaft 200, isv provided with a bore and its bearings ported in the same manner as that referred to in connection with the shaft 169, so :as to provide for the lubricating of .said shafts during the operation thereof..

The shaft bearings are provided vwith bushings 165 and felt washers 166 to hold the lubricants at the shafts when it is impossible to plug the bearings.

Secured to and projecting rearwardly from the end wall 145, as well as surround ing the opening 204, and further having the shutter 206 arranged therein, is light con ducting tube 218, which gradually decreases in diameter towards the end wall 145 and which has its body provided with apertures, as at 219. That end of the tube 218 opposite to that end which is connected to the end wall 145, is provided with a condensing` lens 220, and when vthe lamp house is set up in operative relation with respect to `the projecting mechanism, .the lens extends into the collar 106, and when the parts set up in such position :as shown in Figure 7, the opening 205 will be arranged in alignment with the tube 218 and with the opening 264. The condensing lens .220 is connected vto va frame 221, which is .arranged within and projects from the enlarged end of the tube 218, and said frame 221., at the top thereof, is connected to the .end wall 145 by a tie bar 222, and said bar 222, near that end which is connected to the frame 221, has an Aupwardly extending angle shaped locking member 223, which associates with the spring controlled rlatch 14() for the purpose of detachably connecting the lamp house 84 with the tube 218, whereby the lamp house will be karranged in operative relation with respect to 'the projecting mechanism.

Projecting rearwardly from the end wall 145, is a bracket 224, which has fixed therewith a rearwardly extending plate l225, -provided witli upwardly extending arms 226 for supporting the vframe 221. The arms 226 are arranged at the rear end of the plate 225 `and are spaced from each other, and the rear edge of said plate is formed with a centering notch 227, for the reception of a V-shaped projection 228 which, in connection with the notch 227 centers the lamp house 84 with respect to the tube 218.

Arranged within the compartment or chamber 153, is the. proj ection element which consists of a body portion 229, formed with a cylindrical chamber `230. The body portion is rectangular in cross section and includes a rear end wall 231 for the chamber 230 and said wall is in the form of a vertically disposed fiat plate against which the iilm 24 travels. The end wall 231 is formed with a light aperture 232, which is arranged in alignment with the opening 204. Hold-fast devices 233 are provided for .securing the body portion 229 within the compartment 153. Secured to the front end of the compartment 229, is a lens tube 234., provided with a lens 235, which is arranged in .alignment with, but spaced rearwardly from the projection aperture or opening 205. The plate 231 extends above the body portion 229 and in proximity to an idler roller 236, which is carried by a shaft 237, iXed to a pair of lugs 238, which extend upwardly from the rear end of the :body portion 229 and are formed integral therewith. The boc y portion 2L9, forwardly with respect .to the lugs 238, has formed integral therewith a pair vof upwardly extending lugs 239 for a pivot 249, and the body portion 229 has depending therefrom a pair of arms 241, each provided with .extensions 242, 243, the latter being of greater length than the former. The body portion 229, at its forward end has depending .therefrom a pair of lugs 244. hiounted in the extension 243 is a pivot 245, and mounted in the lugs 244 is ay pivot 246. Mounted in the lugs 238 is a pivot 247. y

Carried by `the `pivots 24.9, 245 and 246 is a film holding element and as each of these elements is of the same construction, but one will be described as the description vof vone will apply to the other. Each of said elements consists of a bar 248, of a length to 'be positioned between the pair of lugs .239 vor the pair of extensions 243, or the pair of lugs 244, and said bar 248 is formed with a bore 249, for :the purpose ofV mounting it on its pivot. Each end of thel bar is formed with reduced extension 250, which .extends inthe direction of the lengt-h of the bar 248 and terminates in an arm 251, disposed at right angles with respect to the bar 248. The arms 251 .oppose each other, and arranged in the outer ends thereof is a ysha-ft 252, provided between its center and each end, with a pair of spaced collars 253, 'thereby providing a groove 254. When the holding elements are set up, they are shifted .to a position Vagainst the sprocket wheels, so that the teeth of .the sprockets, during the operation ofthe sprockets will trarel through the groove and under such conditions the collars 253 Awill hold the. film 24 against the film shifting or feeding sprockets.

The holding element which is pivotally connected with the lugs 239, has connected therewith a. retaining member :formed of a pair of links 255, 256, which are pivotally connected together as at 257. The vlink 256 extends into the 4link 255, due .to the yfact that said link 255 is of inverted U-shape. The link 255 is connected to the pivot 247 and when the links 255, 256 have been shifted to the position shown in Figure 6 the holding element will bear` against the sprockets 175. By breaking the joint between the links 255, 256, the holding element is shifted from engagement `with the sprockets 175. The link 256 is connected to the shaft 252 of that holding element which is mounted on the pivot 249.

Cooperating with the holding elements carried by the pivots 245, 246, and common to said holding' elements, is a retaining means therefor, which consists of a pair of links 258,. 259, pivotally connected together as at 260. The link 259 extends into the link 258 and as the latter is of inverted U- shape, the joint between the links can be broken when occasion so requires. The link 259 is connected to the shaft 252 of the holding element carried by thev pivot 246, and the link 258 is carried by the shaft 252 of the holding element connected to the pivot 245. Then the retaining member formed by the links 258, 259, is in operative position, as shown in Figure 6, one of the holding elements will be in engagement with the sprockets 193 and the other with the sprockets 261, which are mounted on a shaft 262, supported by the partition walll 150.

Arranged within the compartment 153 and manually shifted exteriorly of the wall 145, is a iihntensioning device, and which consists of a weight constituting a body portion 263,.having formed integral therewith, at each end thereof, an arm 264. Formed at one end'with an o'set portion 265 and extending through said offset portions 265, as well as projecting laterally from one of said offset portions 265, is a shaft 266, which is secured to a manually operated L-shaped shifting arm 267. Mounted on the shaft 266, between the voffset portions 265 is a roller 268. Carried by the extensions 242, is a pivot 269, upon which is mounted the inner end of the arms 264 and 267. Then the tensioning device is shifted to operative position, as shown in Figure 6, it engages with the film in advance of the film being engaged by the sprockets 193. The arm 267 extends through the wall 145 so that it can be conveniently grasped bythe operator to enable the framing of iilm 24 to aperture opening 232 in plate 231.

Arranged within the compartment 153, and extending towards the sprockets 193, is a. film guard member- 270. Arranged within the compartment 153 and extending towards the sprockets 261, is .a combined guide and film guard member 271, and secured to the wall 146 and extending rearwardly therefrom and over the sprocket 261 is a lilm guard 272.

The bottom 147 of the receptacle of the projecting mechanism is formed with a slot 273 for the passage of the film, as it travels towards the winding reel, and carried by the bottom 147 and arranged in proximity to the slot 273 is a pair of guide rollers 274 between which travels the film 24.

The top 144 of the receptacle of the projecting mechanism is provided with a slot 275 for the entrance of the film to the chamber 153, and said top 144 has secured therewith a pair of guide rollers 276 between which passes the film 24 on its way to the projecting mechanism. Depending from the top 144 is a combined ilm guard and gpide 277 which extends to the sprockets 1 5. l

Arranged within the chamber or compartment 153, as well as being removably connected to the rear end wall 1.45, is an aperture assembly plate for the purpose of maintaining the film 24 in contactV with the plate 231 during the feeding of the iilm and said assembly plate is so 'constructed that it can be used in either of the projecting` mechanisms and further is so set up that it can be shifted in a compact manner to provide for the convenient threading of the iilm or to provide for the convenient threadingof the .film without the necessity of removing of the assembly plate from the chamber 153. rllhe aperture assembly plate comprises aV body portion formed of a back wall 278 and a pair of side walls 279, and each of said .walls is provided near its lower end with a slot having a contracted lower portion 280 and an enlarged upper portion 281. Pivotally connected with the body portion isV a pivoted support for a resiliently Imounted presser member, and said support comprises a top section 282, which is hinged, as at 283, to the upper end of the back wall 278, of the body portion. The support further includes a front section 284, which is arranged between the side walls 279 of the body portion and which is hinged, as at 285, to the top section 282. The back 278 of the body portion is formed with an opening 286 which registers with `the opening 204 in wall 145 and the front section 284 is provided with an opening 287 arranged in alignment with the opening 286.

The film presser member is rectangular in contour and is indicated at 288, is arranged forwardly of the section 284, and is provided with an opening 289, arranged in alignment with the opening 287 and with the opening 232 in the plate 231. The member 288, is connected to the section 284, by a pair of screws 290, which have their heads bearing against the inner face of the section 284 and their ends in threaded engagement with the member 288. Surrounding the stems of the screws 290 and interposed between the sections 284 and member 288, are sleeves 291 which shift through the section 284,

when the member 288 is moved rearwardly on said section 2811. The member 288 is maintained in an extended position with respect to the section 284 by a pair of leaf springs 292, which are connected at one end, as at 293 to the section 2851-, and have their lower portions angularly disposed with respect to the section 284` and bear against the inner face of the member 288 soy as to set up a constant pressing action on the member 288 so that the latter will bear against the lilm 241 and hold it in close contact with the plate 231,

Secured` to the member 288, is a pair of holding arms 294, which project above the section 282, and are curved, as at 295, to engage the roller .136 and said curved ends 295 act as a means for guiding the film 211- towards the roller 236 and further for maintaining the lm in contact with the roller, as well as in contact with the plate 231. The arms 294 form a part of the presser member 288. The back wall or rear wall 278 of the body portion of the assembly plate is detachably secured to the wall 145 by theremovable hold-fast device 296.

The section 284, is provided with a pair of oppositely extending holding lugs 297, which when said lugs are in the contracted portion 280 of the slots in the side wall 279 of the body portion, will hold the section 284@ in what may be termed an extended position, whereby the presser member 288 will be positioned in close proximity to the plate 231. If it be desired to shift the presser member 288 away from the plate 231, the lugs 297 are moved up through the contracted portion 280 of the slots and into the enlarged upper portions 281 of the slots, and said lugs 297 can be shifted rearwardly, which will carry the section 284 therewith, and move the presser member 288 away from the plate 231. lVhen the section 284C is shifted upwardly by movingthe lugs 297 upwardlv in the contracted portions 280 of the slots, the section 282 will be carried upwardly on its hinge 283 and the section 2844 will move rearwardly on its hinge, carrying the presser member 288 therewith. Vhen the lugs 29.7 are moved upwardly to the enlarged portion 281 of the slots, the sections and 284 will fold in the body portion of the assembly plate as is obvious,'carrying the presser member 288 therewith and shiftit away from the plate 231.

The stereopticon element comprises a plate holder 298 to which is attached a tube 299 provided with a lens 299 and said tube 299 projects rearwardly from the plate holder 298. Theplate holder 298 has a depending extension 300, which is hinged as at 301, to a support 302, secured at 303 to the plate 1, centrally of the rear thereof. The plate has an upwardly disposed curved extension 304 carrying a releasable securing element Y305, which extends through `an arcuate slot 300, formed in a segment-shaped arm 307, which extends forwardly and downwardly from theextension 300. lhen the stereopticon element is not used, it is shifted forwardly to the position shown in Figure 3, so as to be clear of the lamp house 84, but when the stereopticon element is employed, it is shifted to the position shown in Figure 1, and the tube 299 is detachably connected with the lamp house 84, by the latch 14:0, engaging with the angleshaped arm 308, carried by the top of the tube 299. lVhen the stereopticon element is in the position shown in Figure 1,the tube 299 registers with the opening 105l and also the opening107. Fixedly secured upon the top of the receptacle of each projecting mechanism, is an upper film box 309,. provided with a real 310 from which the film 21 is unwound. The box 309 is formed with a hinged door 311 so that access can be had to the interior thereof. A latch 312 is provided fcr securing the door in position. The reel 310 is removably mounted on a shaft 313.

From the foregoing description of a motion picture projecting apparatus, a structure is set up by which the various objects of the'invent'ion can be carried out in an apparatus whereby a lamp house can be adjustably and quickly positioned to successively cooperate with a plurality of projecting mechanisms to provide for the continuous showing of a picture regardless of the number of reels of the same, and which furthermore provides for the projecting of the picture froml a reel in one ofthe projecting mechanisms, while another reely is being threaded and positioned for use within another projecting mechanism, whereby the continuity of the picture is attained without a lapse between the positioning and threading of a subsequent film, from which a continuation of the picture is projected, then furthermore the apparatus'includes means to provide for its use as a stereopticon when occasion so requires, and that furthermore the lamp house is so set up as to provide air passages for the circulatie-n of air therethrough, under such conditions materially decreasing the temperature of the periphery of thc body of the lamp house andv tending to reduce to a minimum radiation of heat therefrom, and further which enables the shifting or the positioning of the lamp house without inconvenience to the operator, and furthermore the apparatus includes means whereby the driving mechanism for one projecting mechanism has its operation discontinued when the lamp house is shifted from operative position with respect to such mechanism to operative position with respect to the other of said projecting mechanisms, and it is also obvious that the apparatus further includes means to cause the proper threading of the film when extended through a mechanism for the purpose of projecting the picture, as well as preventing the film from completely winding around or buckling with respect to the gear shafts or sprockets during the passage of the film through the projecting mechanism, and although the preferred embodiment of the invention is as illustrated and described, yet it is to be understood that changes in the details of construction can be had which will fall within the light of the invention as claimed.

1. A projecting apparatus for the purpose set forth comprising a support, a pair of angularly adjustable projecting mechanisms mounted on said support, a carrier pivotally connected with the support, a lamp house pivotally connected to the carrier and adapted to be positioned to cooperate with either one` of said mechanisms when the carrier is shifted and means for angularly adjusting the lamp house to correspond with the adjusting of that mechanism with which the lamp house cooperates.

2. A projecting apparatus for the purpose set forth comprising a support, a pair of angularly adjustable projecting mechaiiisins mounted on said support, motor circuit forming means for each of said mechanisins, a carrier pivotally connected with the support, a lamp house pivotally connected to the carrier and adapted to be positioned to cooperate with either one of said mechanisms when the carrier is shifted, means for angularlv adjusting the lamp house to correspond with the adjusting of that mechanism with which the lamp house cooperates, and cooperating means mounted on the carrier and said support and adapted when the carrier is swung in either direction to close a motor circuit and normally positioned in a plane between said mechanisms.

3, An apparatus for the purpose set forth comprising a support, projecting mechanisms carried thereby, a swinging carrier pivotally connected with the support, the pivot for said carrier being vertical, and a lamp house pivotally connected at the lower portion of its forward end to the rear end of the carrier and adapted to associate with one of said mechanisms when the carrier is .swung to either side of its pivot, the pivot for the lamp house being vertical.

4. An apparatus for the purpose set forth comprising a support, motor operated projecting mechanisms carried thereby, a swinging carrier pivotally connected with the support and a lamp house pivotally connected with the carrier and adapted to associate with one of said mechanisms when the carrier is swung to either side of its pivot, and said carrier and support having cooperating means for closing a motor circuit when the carrier is swung in either direction on its pivot.

5. An apparatus for the purpose set forth comprising -a support, a plurailty of projecting apparatuses mounted thereon, means for angularly adjusting said mechanisms with respect to said support, a lamp house, means connected to said support for positioning said lamp house rearwardly of either one of the said mechanisms, and means extended from said support and lamp house for angularly adjusting the lamp house to correspond with the angular adjustment ofthat mechanism with which the lamp house cooperates.

6. A projecting apparatus for the purpose set forth comprising a support, a plurality of projecting mechanisms mounted thereon, motors for independently operating said projecting mechanisms, said motors mounted on said support, circuit forming means for said motors, a swinging carrier arranged at the rear of said support, a lamp house supported from the carrier and capable of being shifted to operative position with respect to either of said mechanisms, and said carrier and support having cooperating means for closing a motor circuit when said lamp house has been shifted to cooperative position with respect to one of said mechanisms.

7. A projecting apparatus for the purpose set forth comprising a support, a plurality of projecting mechanisms mounted thereon, motors carried by said support for independently operating said mechanisms, circuit forming means for said motors, a swinging carrier connected with the support, a lamp house supported from the carrier and capable of being shifted to operative position with respect to either of said mechanisms, and means for closing a motor circuit when said lamp house has been shifted to cooperative ,position with respect to one of said mechanisms.

8. A projecting apparatus `for the purpose set forth comprising a support, a plurality of projecting mechanisms mounted thereon, independent electrical driving means for each of said mechanisms, a swinging carrier arranged at the rear of said support, a lamp house supported from the carrier and capable of being shifted in cooperative rela-A tion with each .of said mechanisms, and said carrier and support provided with means for controlling the electrical' drive with respect to either of said mechanisms when the vlamp house is shifted.

9. A projecting apparatus for the purpose set forth comprising a lamp house having a bottom formed with a slot, a reiector support extending through said slot into said house, a. lamp support extending through said slot into said house, means engaging with said bottoni to provide for the vertical and angular adjusting of said reflector support independent of the reflector support, means connecten with said bottom to provide for the vertical and angular adjusting of said lamp support independent ofthe t r support, each of said means further providing for the independent adjusting of the reflector and lamp supports relatively to each other.

lO. .e projecting apparatus for the purpose Het forth comprising a support,l a pair of angularly affljustable projecting mechanisms mounted on said support and arranged normally in a plane extending between the said mechanisms, a swinging carier pivotaily connected with the support, a lamp house connected with said carrier and capable of being positionedto cooperate with either one of said mechanisms when the carrier is shifted, the connection between the lamp house and carrier being a pivoted one, centering means for said lamp house when adjusted to cooperate with either one of said mechanisms, electrical driving connections for independently operating said mechanisms, and means secured to the carrier for controlling the operation of said electrical driving connections when the lamp house is swung to co-operate with one of said n'iechanisms.

11. A projecting` apparatus comprisinga projecting mechanism including a receptacle having a light inlet at its rear and a light projecting outlet at its front, a projecting lens arranged in the receptacle and in alignment wit-h said inlet and outlet, and further spaced from said inlet, a shutter for controlling said outlet. an apertured assembly plate interposed between the said projecting lens and said inlet, a light tube extending rearwardly from said receptacle, surrounding said inlet and provided with a condensing lens, a shutter within said tube for controlling said inlet, operatingv means for said shutters, a lamp house, and means for positioning said lamp house in cooperative relation with resp-ect to said tube.

12. A projecting apparatus for the purpose set forth comprising a lamp house formed of an open top housing, a casing completely enclosing and spaced from said housing and having an open top and bottom, said casing in connection with said housing forming vertical air passages entirely surrounding the housing and opening` directly at their lower ends into the atmosphere, and a cover commonk to and extending above the top of said housing and casing and havin(r superposed spaced horizontally arranged flat elements secured therein to provide horizontally disposed air passages communicating at their ends directly With the upper ends of said vertical air passages, said cover having an opening in the top thereof spaced from the upper of said elements for the discharge of air from said horizontal passages.

13. A projecting 'apparatus for the purpose set forth comprising a lamp house formed of an open top housing, a casing completely enclosing and spaced from said housing and havin g an open top and bottom, said ycasing in connection with said housing forn'iing vertical air passages `entirely surrounding the housingl and opening directly at their lower ends into the atmosphere, and a cover common to and extending above the top of said housing and casing and having superposed spaced elements secured therein to provide horizontally disposed air passages communicating at their ends directly with the upper ends of said vertical air passages, said cover having an opening in the top thereof for the discharge of air from said horizontal passages, the lower of said elements suited on the top of the housing and provided with openings for establishing communication between said horizontal air passages and the interior of the housing.

le. A projecting apparatus for the purpose set forth comprising a lamp house formed of an open top housing, a casing completely enclosing and spaced from said housing and having an open top and bottom, said ca-ing in connection with said housing forn'iing vertical air passages entirely surrounding the housing and opening directly at their lowerl ends into the atmosphere, and a cover common to and extending above the top of said housing and casing and having superposed spa-ced horizontally arranged flat elements secured therein to provide horizontally disposed air passages communieating at their ends directly with the upper ends of said vertical air passages, said cover having an opening in the top thereof spaced from the upper of said elements for the discharge of air from said horizontal passages, said housing provided with means at the lower portion of its forward end and projecting beyond said casing for connecting the lamp house to a swinging carrier.

l5. A projecting apparatus for the purpose set forth comprising a lamp house formed of an open top housing, a casing completely enclosing and spaced from said housing and having an open top and bottom, said casing in connection with said housing forming vertical air passages entirely surrounding the housing and opening directly at their lower ends into the atmosphere, and a cover common to and extending above the top of said housingl and casing and having superposed spaced horizontally arranged flat elements secured therein to provide horizontally disposed air passages communicating at their ends directly with the upper ends of said vertical air passages, said cover having an opening in the top thereof spaced from the upper of said elements for the discharge of air from said horizontal passages, said housing having its bottom provided with a. slot for the passage of supports for a reflector and a lamp.

16. A projecting apparatus for the purpose set forth comprising a lamp house, means projecting forwardly from the lower end of the front of said lamp house for pivotal connection with the rear end of a carrier, a stationary bracket arranged forwardly of the lamp house and provided with a rearwardly extending plate formed at its rear end with a notch, and said means including a forwardly extending projection coacting with said notch for maintaining the lamp house in an angular position with respect to the rear end of the carrier.

l?. A projecting apparatus for the purpose set forth comprising a lamp house, a swinging carrier therefor, means projecting forwardly from the lower portion of the forward end of the lamp house and pivotally connected with the rear end of the carrier to provide for the angular adjustment of the lamp houseI relative to the rear end of the carrier, a stationary bracket arranged forwardly of the lamp house and provided with a rearwardly extending arm having its rear end provided with a notch, and said means including a forwardly extending project-ion above the pivotal connection with the carrier and coacting with said notch for maintaining the lamp house when adjusted to angular position with respect to the rear end of the carrier.

18. A projecting apparatus for the purpose set forth comprising a support, a plurality of projecting' mechanisms arranged in sidewise spaced relation and mounted on said support, a stereopticon element mounted on the rear portion of the top of said support and positioned in a plane parallel to the planes of said mechanisms, a swinging carrier pivoted to and projecting rearwardly from the back of said support, a lamp house pivotally connected to the rear end of the carrier and adjusted to selectively cooperate with respect to either of said mechanisms and said element at the rear thereof, and said mechanisms, element and lamp house having coacting means to provide for maintaining the lamp house in its selected position.

19. A projecting apparatus for the purpose set forth comprising a support, a plurality of projecting mechanisms arranged in sidewise spaced relation and mounted on said support, a stereopticon element mounted on the rear portion of the top of said support and positioned in a plane parallel to the planes of said mechanisms, a swinging carrier pivoted to and projecting rearwardly from the back of said support, a lamp house pivotally connected to the rear end of the carrier and adjusted to selective- 20. A projecting apparatus for the pur- Y pose set forth comprising a lamp house formed of a body portion providing a lamp chamber and vertical air passages surrounding said chamber, removable cover for said body portion, and superposed spaced elements secured within said cover and providing horizontally extending air passages communicating with said vertical air passages, the lower' of said elements forming the top of said chamber and provided with openings for establishing` communication between the interior of the chamber and the horizontally extending air passages. y

2l. A projecting apparatus for the purpose set forth comprising a lamp house formed of a body portion providing-a lamp chamber and vertical air passages surrounding said chamber, a removable cover fory said body portion, and superposed spaced elements secured within said cover and providing horizontally extending air passages communicating with said vertical air passages, the lower of said elements forming the top of said chamber and provided with openings for establishing communicationbetween the interior of the chamber and the horizontally extending air passages, said vertical air passages at their upper ends communicating with said horizontally extending air passages and opening directly at their lower ends at the bottom of the lamp house into the atmosphere.

22. A projecting apparatus for the purpose set forth comprising a lamp house formed of a body portion providing a lamp chamber and vertical air passages surrounding said chamber, a removable cover for said body portion, and superposed spaced elementssecured within said cover and providing horizontally extending air passages conmiunicating with said vertical air passages, the lower of said elements forming the top of said chamber and provided with openings for establishing communication between the interior of the chamber and the horizontally extending air passages, said vertical air passages at their upper ends communicating with said horizontally extending air passages and opening directly at their lower ends at the bottom of the lamp house into the atmosphere, said cover provided centrally thereof and above said elements with an outlet.

28. A projecting apparatus for the purpose set forth comprising a support, a plurality of projecting mechanisms mounted thereon and spaced from each other in sidewise relation, each of said mechanisms hav- 

